ID A0A101GX44_9BACT Unreviewed; 403 AA.
AC A0A101GX44;
DT 13-APR-2016, integrated into UniProtKB/TrEMBL.
DT 13-APR-2016, sequence version 1.
DT 24-JAN-2024, entry version 21.
DE RecName: Full=Inosine-5'-monophosphate dehydrogenase {ECO:0000256|RuleBase:RU003928};
DE EC=1.1.1.205 {ECO:0000256|RuleBase:RU003928};
DE Flags: Fragment;
GN ORFNames=XD85_0398 {ECO:0000313|EMBL:KUK66133.1};
OS Parcubacteria bacterium 34_609.
OC Bacteria; Candidatus Parcubacteria.
OX NCBI_TaxID=1641386 {ECO:0000313|EMBL:KUK66133.1, ECO:0000313|Proteomes:UP000053435};
RN [1] {ECO:0000313|Proteomes:UP000053435}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=26787827; DOI=10.1128/mbio.01669-15;
RA Hu P., Tom L., Singh A., Thomas B.C., Baker B.J., Piceno Y.M.,
RA Andersen G.L., Banfield J.F.;
RT "Genome-Resolved Metagenomic Analysis Reveals Roles for Candidate Phyla and
RT Other Microbial Community Members in Biogeochemical Transformations in Oil
RT Reservoirs.";
RL MBio 7:e01669-15(2015).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + IMP + NAD(+) = H(+) + NADH + XMP; Xref=Rhea:RHEA:11708,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:57464,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:58053;
CC EC=1.1.1.205; Evidence={ECO:0000256|ARBA:ARBA00024264,
CC ECO:0000256|RuleBase:RU003928};
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|ARBA:ARBA00001958};
CC -!- PATHWAY: Purine metabolism; XMP biosynthesis via de novo pathway; XMP
CC from IMP: step 1/1. {ECO:0000256|RuleBase:RU003928}.
CC -!- SIMILARITY: Belongs to the IMPDH/GMPR family.
CC {ECO:0000256|ARBA:ARBA00005502, ECO:0000256|RuleBase:RU003927}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KUK66133.1}.
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DR EMBL; LGGG01000066; KUK66133.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A101GX44; -.
DR UniPathway; UPA00601; UER00295.
DR Proteomes; UP000053435; Unassembled WGS sequence.
DR GO; GO:0003938; F:IMP dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006177; P:GMP biosynthetic process; IEA:UniProtKB-KW.
DR CDD; cd04601; CBS_pair_IMPDH; 1.
DR CDD; cd00381; IMPDH; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR000644; CBS_dom.
DR InterPro; IPR046342; CBS_dom_sf.
DR InterPro; IPR005990; IMP_DH.
DR InterPro; IPR015875; IMP_DH/GMP_Rdtase_CS.
DR InterPro; IPR001093; IMP_DH_GMPRt.
DR NCBIfam; TIGR01302; IMP_dehydrog; 1.
DR PANTHER; PTHR11911:SF111; INOSINE-5'-MONOPHOSPHATE DEHYDROGENASE; 1.
DR PANTHER; PTHR11911; INOSINE-5-MONOPHOSPHATE DEHYDROGENASE RELATED; 1.
DR Pfam; PF00571; CBS; 2.
DR Pfam; PF00478; IMPDH; 1.
DR PIRSF; PIRSF000130; IMPDH; 1.
DR SMART; SM00116; CBS; 2.
DR SMART; SM01240; IMPDH; 1.
DR SUPFAM; SSF54631; CBS-domain pair; 1.
DR SUPFAM; SSF51412; Inosine monophosphate dehydrogenase (IMPDH); 1.
DR PROSITE; PS51371; CBS; 2.
DR PROSITE; PS00487; IMP_DH_GMP_RED; 1.
PE 3: Inferred from homology;
KW CBS domain {ECO:0000256|ARBA:ARBA00023122, ECO:0000256|PROSITE-
KW ProRule:PRU00703};
KW GMP biosynthesis {ECO:0000256|ARBA:ARBA00022749,
KW ECO:0000256|RuleBase:RU003928};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU003928};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR000130-3};
KW Oxidoreductase {ECO:0000256|RuleBase:RU003927};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|PIRSR:PIRSR000130-4};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755,
KW ECO:0000256|RuleBase:RU003928}.
FT DOMAIN 97..153
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
FT DOMAIN 157..214
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
FT ACT_SITE 307
FT /note="Thioimidate intermediate"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-1"
FT ACT_SITE 403
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-1"
FT BINDING 251..253
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-3"
FT BINDING 300..302
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-3"
FT BINDING 302
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
FT BINDING 304
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
FT BINDING 307
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
FT NON_TER 403
FT /evidence="ECO:0000313|EMBL:KUK66133.1"
SQ SEQUENCE 403 AA; 44210 MW; 2F48C4E15A7678D9 CRC64;
MMWENKLIKE NGLTFDDVLL VPQNSKLVPK EVDLHTLLSR NISLNIPLVS AAMDRVTESR
LAIAIAREGG IGIIHKNMTI QEQVREIDRV KRSESGVIVE PIALTEDRMV KEALELMQHY
HISGIPVVNH DKKLVGILTN RDIRFLDDVE IQISQVMTRE PLITGRVGTT LEEAKKILHQ
NRIEKLPLVD DQYILKGLIT IKDIEKVRQY PSACKDANGR LRVGAAVGIS TDTFQRVEAI
IQAHADVVVV DTAHADSEKV LNIIREIKKR YSIELIGGNV ATYEGAKRLI EAGVDAVKVG
IGPGSICTTR IVTGVGVPQV YAIKECARAC REGNVTLIAD GGIRYSGDIC KALAVGADSV
MIGSLFAGIE ESPGEVVLYK GRSYKEYRGM GSIGAMKEGS QDR
//
